Home / 2,664,246.30-3,996,369.45-1,866,428.70

Finding the Fourth Proportional to 2,664,246.30, 3,996,369.45 and 1,866,428.70

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Solution

The fourth proportional to 2,664,246.30, 3,996,369.45 and 1,866,428.70 is: 2,799,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,246.30 : 3,996,369.45 = 1,866,428.70 : x
  2. Step 2: Convert to fraction form
    2,664,246.30/3,996,369.45 = 1,866,428.70/x
  3. Step 3: Cross multiply
    2,664,246.30x = 3,996,369.45 × 1,866,428.70
  4. Step 4: Simplify right side
    2,664,246.30x = 7,458,938,637,283.22
  5. Step 5: Solve for x
    x = 7,458,938,637,283.22/2,664,246.30
  6. Step 6: Final answer
    x = 2,799,643.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.